Saw.



I PATENTED SEPT. 10, 1907. J. M. ALLISON.

SAW.

APPLIOATION FILED FEB.18. 1907.

IN l/EN 70 QZZO'SOH, '53

W/ T/YES 5 ES UNITED STATES 'rnnr orsren.

JAMES M. ALLISON, OF INDIANAPOLIS, INDIANA, ASSIGNOR OF ONE-HALF TOWILLIAM C. FREED, OF INDIANAPOLIS, INDIANA.

SAW

Specification of Letters Patent.

Patented Sept. 10, 1907.

Application filed February 18,1907. Serial No. 358.107.

To all whom it may concern:

Be it known that I, JAiuEs M. ALLrsoN, a citizen of the United States,residing at Indianapolis, in the county of Marion and State of Indiana,have invented certain new and useful Improvements in Saws, of which thefollowing is a specification.

This invention relates to improvements in saws, and the object of theinvention is to provide a saw-blade having cutting teeth along both ofits longitudinal edges, and to provide means for the attachment andoperation of a suitable reversible handle in connection therewith.

I accomplish the'objects of the invention by the mechanism illustratedin the accompanying drawings in which Figure 1 is a view in sideelevation of a handsaw having cross cut saw teeth along one edge andrip-saw teeth along the opposite edge, and a reversible handle, aportion of the latter being broken away to show the interiorconstruction Fig. 2 is a cross section on the line 22 of Fig. 1. Fig. 3is a view in side elevation of across cut saw such as is used for sawinglogs and heavy timbers, and is here shown with teeth of differentpatterns on the two longitudinal edges, and Fig.

4 is the saw blade of a buck-saw having saw teeth along both of itslongitudinal edges.

Like characters of reference indicate like parts throughout the severalviews.

5 represents the hand-saw blade shown in Figs. 1 and 2. Its upper edgeas shown in the drawing, has the rip-saw teeth 6 and its opposite edgeis formed with the cross grain cutting teeth 7. The end of the blade 5next to the handle has an extension 8 terminating at the mid line of theblade with the sye 9, and slot 10 at the inner end of the eye. 11 is thehandle, of usual shape so far as the part to receive the hand of theoperator is concerned and it is bolted to the blade 5 by means of thebolt 12 passing through the eye 9, and pivotally connected with thecam-lever 13. The cam on said lever 13 is pivotally attached to thehandle 11 by means of the pin 14, and the cam by the closing the handleof the lever down against the inner member of the handle bears againstthe end of the eye 9. The bdlt 12 has a head, as shown 'in Fig. 1, inthe slot 10, and by the construction shown, the blade 5 is drawn firmlyinto contact with the said handle by the closing of the cam-lever 13into the position shown in Fig. 1. When it is desired to reverse thehandle the cam-lever 13 is turned up from the position shown in thedrawing, which releases the bolt 12 and allows play enough for thehandle to be moved longitudinally of the blade 5 out of engagement withsaid blade, and thereupon the handle may be turned 180 degrees so theextension 8 will then rest within the recess 17 of the handle. The outercorner of the extension 8 will preferably be made angular to make aclose fit in the corresponding corner of the recess 17, and the part 20of the handle will be channeled to receive the end of the blade. By theabove construction of the handle and its attachment to the saw-blade Iam able to reverse the handle so as to bring either edge of the bladeinto proper cutting position which is oblique to the handle proper.

The cross-cut saw shown in Fig. 3 has the two opposlte notches 24 and 25in each end for the attachment in reversed positions of the saw handle,The upper longitudinal edge of the saw-blade is here provided withcutting teeth of a different construction from those shown in the lowerlongitudinal edge, and while convenient for different kinds of sawing,it is obvious that teeth alike for both edges might be used to advantagein that when one set was dulled by use another set would be immediatelyavailable by turning the blade the other edge up, which would be done byreversing the handles.

The buck-saw blade shown in Fig. 4 may have different formsol' teeth inits two longitudinal edges, or may have similar teeth in both. edges asshown, for use successively when one set has become worn. This will beaccomplished by reversing the blade in theordinary buck-saw frame.

Having thus fully described my invention what I claim as new and wish tosecure by Letters Patent of the United States, is

1. The combination with a sa,wblade having cutting teeth at its twolongitudinal opposite edges, of a handle hinged at an end of the bladeto permit the handle to be reversed-by a lateral swinging movement, andmeans for moving the handle longitudinally of the blade in securing it,in a fixed position. 2. A saw-blade having cutting teeth along both ofits longitudinal edges, the handle-end of said blade having an extensionfrom near one edge to the mid line longitudinally of the blade an eyelongitudinally of the blade on said mid line a bolt passing through saideye, a handle, and a camlever pivoted to the handle and to the saidbolt, the cam of said lever being adapted to contact with the eye of theblade when closed and lock the handle to the blade.

In witness whereof, I, have hereunto set my hand and .seal atIndianapolis, Indiana, this, 4th day of February,

A. D. one thousand nine hundred and seven.

JAMES M. ALLISON. [n. s.] Witnesses F. W. WonsNnB,

L. B. Wonnnnn.

